Description : What is true about viruses without exception? (1) They contain a core of RNA (2) They can infect bacteria (3) They cannot produce antibodies (4) They can multiply only in host cells
Last Answer : (4) They can multiply only in host cells Explanation: Viruses do not contain enzymes for energy production or protein synthesis. For a virus to multiply, it must invade a host cell and direct the host ... proteins, and copies of its nucleic acid, using the host cell's ATP to power the reactions.
Last Answer : They can multiply only in host cells
Description : Is the reproduction cycle for the Norwalk Virus lytic or lysogenic? -Biology
Last Answer : answer:
Description : How are the lysogenic and lytic cycles different?
Last Answer : causes Disease
Description : Examples of viruses that go through lysogenic cycles. -Biology
Description : A common trait among Herpes viruses is _____. a. Lysogeny b. Lysis c. Laxity d. Latency
Last Answer : d. Latency
Description : Most viruses that infect plant possess (a) single-stranded DNA (b) single-stranded RNA (c) double-stranded DNA and RNA (d) double - stranded RNA only
Last Answer : Ans:(b)
Description : _______viruses infect executable program files: a) File Infector Viruses b) Macro Viruses c) Multi Partite Viruses d) None of These
Last Answer : a) File Infector Viruses
Description : State whether the following statement is true. i) A macro virus is platform independent. ii) Macro viruses infect documents, not executable portions of code. A) i-only B) ii-only C) Both i and ii D) Non i and ii
Last Answer : D) Non i and ii
Description : The non-living characteristic of viruses is – (1) ability to multiply only inside the host (2) ability to cause diseases in the host (3) ability to undergo mutation (4) ability to be crystallise
Last Answer : (4) ability to be crystallise Explanation: Viruses are known as a connecting link between non-living and living being.
Description : Drug resistance in bacteria is mainly determined by factor: a. F b. R c. Col d. Lysogenic factor
Last Answer : Ans: D
Description : Which are the lipolytic hormones?
Last Answer : Growth hormone, corticosteroids, ACTH, adrenalin, and glucagon.
Description : Virus that infect bacteria are called (a) Bacteriophages (b) Basophils (c) Basal body (d) Basidiospores
Last Answer : (a) Bacteriophages
Description : How do viruses multiply? -Biology
Last Answer : To identify the correct host, viruses have evolved receptors on their surfaces that match up with those of their ideal target cell, letting the virus get its genetic material inside and hijack its host's cellular machinery to help it reproduce by multiplying the virus' genetic material and proteins
Description : These viruses multiply first in the tonsils and then the lymphoid tissues of the gastrointestinal tract. a. Rabies virus b. Rotavirus c. Polio virus d. Hepatitis A virus
Last Answer : c. Polio virus
Description : Attenuated viruses are those that _____. a. can be used to treat viral disease. b. give rise to viroids and prions. c. multiply in cells but at a low rate. d. have been treated with chemicals such as formaldehyde.
Last Answer : c. multiply in cells but at a low rate.
Description : Enzymes, which are produced in inactive form in the living cells, are called (A) Papain (B) Lysozymes (C) Apoenzymes (D) Proenzymes
Last Answer : Answer : D
Description : Lysozymes are found in
Last Answer : Lysozymes are found in A. In saliva and tears both B. In tears C. In saliva D. In mitochondria
Description : Cytotoxic T cells release which 2 toxic proteins as they fight target cells? a. histamine and heparin b. perforin and granzymes c. interleukin and interferon d. lysozymes and cytokines
Last Answer : b. perforin and granzymes
Description : Natural killer (NK) cells kill by secreting a. Lysozymes. b. Granzymes. c. Defensins. d. Interferons.
Last Answer : b. Granzymes.
Description : Bacteriophage (pron: back-teer-e-o-faj) are: a) bacteria b) bacteria precursors c) viruses d) agents which cause the production of bacteria
Last Answer : ANSWER: C -- VIRUSES
Description : The lytic enzyme present in semen is :-
Last Answer : The lytic enzyme present in semen is :- A. ligase B. estrogenase C. androgenase D. hyaluronidase
Description : Specialized transduction is carried out by a. Virulent Phages That Have A Lytic Cycle Of Infection. b. Temperate Phages Carrying A Entire Bacterial Chromosome. c. Temperate Phages That Carry A Segment Of Host Dna. d. Virulent Phages That Swap Dna Segments.
Last Answer : c. Temperate Phages That Carry A Segment Of Host Dna.
Description : The term used for acquisition of naked DNA from its environment and its incorporation in their genome by a bacterium is A.transformation B.lysogenic conversion C.conjugation D.transduction
Last Answer : A.transformation
Description : The term used for acquisition of naked DNA from its environment and its incorporation in their A- transformation B- lysogenic conversion C- conjugation D- transduction
Last Answer : transformation
Description : A is NOT associated with specialized transduction. a. Virulent Phage b. Lysogenic Cycle c. Prophage d. Recipient Cell
Last Answer : a. Virulent Phage
Description : The term used for acquisition of naked DNA from its environment and its incorporation in theirgenome by a bacterium is A- transformation B- lysogenic conversion C- conjugation D- .transduction
Description : When a viral nucleic acid becomes part of the host cell chromosome it is called _____. a. lysis b. lysogeny c. maturation d. latent
Last Answer : b. lysogeny
Description : Plasmid DNA isolation by alkaline lysis method. -Biology
Description : Lysis of foreign cell is initiated by antibodies of:
Last Answer : Lysis of foreign cell is initiated by antibodies of: A. IgM B. IgA C. IgE D. IgM and IgG
Description : Euglobulin lysis time?
Last Answer : DefinitionEuglobulin lysis time (ELT) is a blood test that looks at how fast clots breakdown in the blood.Alternative NamesEuglobulin clot lysis; Fibrinolysis/euglobulin lysis; ELTHow the test is ... stinging sensation. Afterward, there may be some throbbing.Why the test is performedThis is o
Description : An enzyme which brings about lysis of bacterial cell wall is (A) Amylase (B) Lysozyme (C) Trypsin (D) Lipase
Last Answer : Answer : B
Description : Thrombolytic therapy has become a useful adjunct in the management of peripheral arterial occlusion. In this setting, direct intraarterial administration rather than intravenous has been advocated ... may be indicated for situations where complete clot evacuation cannot be accomplished surgically
Last Answer : Answer: a, b, e The most popular method for intraarterial thrombolytic therapy for arterial occlusion involves passing a guidewire through the thrombus with arteriographic guidance and ... acute arterial occlusion) or when distal vasculative is occluded and precludes appropriate inflow patency
Description : Cyanide poisoning causes death in seconds because - (1) It denatures enzymes of the heart/muscle (2) It breaks the electron transport chain (3) It causes Lysis of red blood cells (4) It causes cardiac arrest
Last Answer : (4) It causes cardiac arrest Explanation: Cyanide poisoning occurs on exposure to a com-pound that produces cyanide ions when dissolved in water. The cyanide ion halts cellular respiration by inhibiting ... coma with seizures, apnea, and cardiac arrest, with death following in a matter of seconds.
Description : Preservation methods such as salting result in the microbial cells. a. Loss Of Salt From b. Gain Of Water Into c. Loss Of Water From d. Lysis Of
Last Answer : c. Loss Of Water From
Description : Area of lysis on a bacterial lawn culture produced by a phage is known as A.pock B.plaque C.pox D.all of these
Last Answer : B.plaque
Last Answer : .plaque
Description : Cyanide poisoning causes death in seconds because (1) It denatures enzymes of the heart/muscle (2) It breaks the electron transport chain (3) It causes Lysis of red blood cells. (4) It causes cardiac arrest
Last Answer : It causes cardiac arrest
Description : Assertion : both bacteria and yeasts multiply very fast to form huge polulation which express the desired gene
Last Answer : Assertion : both bacteria and yeasts multiply very fast to form huge polulation which express the desired gene A. correct B. not correct C. D.
Description : A few organisms are known to grow and multiply at temperatures of 100-105o C. They belong to (a) thermophilic sulphur bacteria (b) hot spring blue-green algae (c) methanogenic archaebacteria (d) marine archaebacteria.
Last Answer : (a) thermophilic sulphur bacteria
Description : A program designed to destroy data on your computer which can travel to "infect" other computers is called as: a) Operational Risks b) Torpedo c) Infector d) Virus
Last Answer : d) Virus
Description : How big must a pile of bacteria or viruses be to be visible to the human eye?
Last Answer : A pinhead.
Description : Would finding out that obesity is caused by bacteria or viruses change your perspective on it?
Last Answer : The simple fact of the matter is that only so much can be blamed on something other than the mechanics of fork-to-mouth. You don’t become 300 lbs overweight by catching a bug.
Description : How do viruses differ from bacteria? -Biology
Last Answer : On a biological level, the main difference is that bacteria are free-living cells that can live inside or outside a body, while viruses are a non-living collection of molecules that need a host to survive.
Description : How are viruses different from bacteria?
Last Answer : Bacteria:Single-celledCan exist outside of a hostVirus:Not a cellCannot exist outside of a host for long
Description : How are viruses different from bacteria Apex?
Last Answer : Viruses cannot survive outside a host. -apex
Description : Are bacteria viruses and rickettsia pathogens?
Last Answer : They all can be, but not all bacteria ec cause disease and someare symbiotes.
Description : Is filter removes bacteria and viruses?
Last Answer : Need answer
Description : What is theInfection of the lungs caused by viruses bacteria or fungi?